Nonlinear system identification in structural dynamics: 10 more years of progress
JP Noël, G Kerschen - Mechanical Systems and Signal Processing, 2017 - Elsevier
Nonlinear system identification is a vast research field, today attracting a great deal of
attention in the structural dynamics community. Ten years ago, an MSSP paper reviewing …
attention in the structural dynamics community. Ten years ago, an MSSP paper reviewing …
Bayesian model updating and class selection of a wing-engine structure with nonlinear connections using nonlinear normal modes
This paper presents a Bayesian model updating and model class selection approach based
on nonlinear normal modes (NNMs). The performance of the proposed approach is …
on nonlinear normal modes (NNMs). The performance of the proposed approach is …
Model updating strategy for structures with localised nonlinearities using frequency response measurements
This paper proposes a model updating strategy for localised nonlinear structures. It utilises
an initial finite-element (FE) model of the structure and primary harmonic response data …
an initial finite-element (FE) model of the structure and primary harmonic response data …
[HTML][HTML] 有限元模型修正研究进展: 从线性到非线性
张皓, 李东升, 李宏男 - 力学进展, 2019 - lxjz.cstam.org.cn
有限元分析在实际工程中得到了广泛应用. 然而有限元模型由于受到网格划分,
边界条件和材料物理参数不确定性等的影响, 与真实结构有差异. 因此须通过试验数据加以修正 …
边界条件和材料物理参数不确定性等的影响, 与真实结构有差异. 因此须通过试验数据加以修正 …
Dynamic sensitivity-based finite element model updating for nonlinear structures using time-domain responses
To obtain the numerical model for predicting the nonlinear dynamic responses with high
accuracy, a dynamic sensitivity-based model updating approach by using the time-domain …
accuracy, a dynamic sensitivity-based model updating approach by using the time-domain …
Arclength-based response matching of multivalued frequency responses to update models with strong nonlinearities
T Zhu, G Zhang, C Zang, H Cui, MI Friswell - Mechanical Systems and …, 2023 - Elsevier
Abstract Model updating of strongly nonlinear systems is a vital tool to establish the precise
nonlinear model from the multivalued responses and one major step in the updating process …
nonlinear model from the multivalued responses and one major step in the updating process …
A sensitivity-based nonlinear finite element model updating method for nonlinear engineering structures
This paper presents a novel non-intrusive sensitivity-based nonlinear finite element model
updating method in which the local nonlinearity of structure is considered. The sensitivity …
updating method in which the local nonlinearity of structure is considered. The sensitivity …
[HTML][HTML] Harmonic-Balance-Based parameter estimation of nonlinear structures in the presence of Multi-Harmonic response and force
Testing nonlinear structures to characterise their internal nonlinear forces is challenging.
Often nonlinear structures are excited by harmonic forces and yield a multi-harmonic …
Often nonlinear structures are excited by harmonic forces and yield a multi-harmonic …
Direct optimisation based model selection and parameter estimation using time-domain data for identifying localised nonlinearities
S Safari, JML Monsalve - Journal of Sound and Vibration, 2021 - Elsevier
A major difficulty when modelling nonlinear structures from experimental vibration data is to
determine the type of nonlinear functions that will better predict their dynamic response. In …
determine the type of nonlinear functions that will better predict their dynamic response. In …
Global correlation analysis of strongly nonlinear frequency responses using the arclength-based separation and the Correlation-Map
T Zhu, G Zhang, C Zang, MI Friswell - Journal of Sound and Vibration, 2024 - Elsevier
Global correlation analysis is an important technique to quantify both the shape and
amplitude differences between two response vectors. In linear dynamic systems, differences …
amplitude differences between two response vectors. In linear dynamic systems, differences …